CN111350107A - Highway subgrade settlement-preventing structure for high and cold frozen soil area - Google Patents
Highway subgrade settlement-preventing structure for high and cold frozen soil area Download PDFInfo
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- CN111350107A CN111350107A CN202010197375.7A CN202010197375A CN111350107A CN 111350107 A CN111350107 A CN 111350107A CN 202010197375 A CN202010197375 A CN 202010197375A CN 111350107 A CN111350107 A CN 111350107A
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- supporting
- buffer
- base surface
- plate
- highway subgrade
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/06—Methods or arrangements for protecting foundations from destructive influences of moisture, frost or vibration
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- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The embodiment of the invention relates to the technical field of highway protection, and particularly discloses a highway subgrade anti-settlement structure for a high-cold frozen soil area, which comprises a bottom plate, wherein a supporting plate is arranged on the bottom plate through a plurality of second buffer spring supporting frames, and a subgrade body is erected and installed on the supporting plate through a plurality of groups of buffer supporting pieces; the end part of the supporting plate is also provided with a buffer mechanism for supporting the roadbed base body; the roadbed body comprises an upper base surface, and the upper surface of the upper base surface is provided with an asphalt layer; the roadbed body also comprises a lower base surface; the lower base surface is fixedly arranged on a base, and the base is fixedly arranged on the upper surface of the supporting seat; the supporting seat is supported and arranged at the top end of the buffer mechanism. According to the anti-settlement structure for the highway subgrade provided by the embodiment of the invention, the subgrade can be driven to move in a small amplitude when the vehicle is rolled overweight through the arranged buffer supporting piece and the buffer mechanism, so that the aim of shock absorption is achieved, and the damage to the subgrade is reduced.
Description
Technical Field
The embodiment of the invention relates to the technical field of highway protection, in particular to a highway subgrade anti-settlement structure for a high-cold frozen soil area.
Background
The difficulties to be overcome in the process of road reconstruction include thermal expansion and cooling, subgrade settlement and the like, wherein the subgrade settlement is induced by rainwater infiltration to damage the internal structure, vehicle overload rolling, subgrade self weight and the like. The existing highway generally adopts a reinforced concrete solidification mode to build a highway subgrade, force cannot be removed when a vehicle is overloaded and rolled, rainwater can leak into the interior of the subgrade for a long time, particularly in a high-cold frozen soil area, the influence on the highway is particularly obvious, and the highway subgrade is easily damaged due to rainwater permeation and vehicle overload rolling, so that a highway subgrade settlement-proof structure for the high-cold frozen soil area is designed to solve the problems.
Disclosure of Invention
The embodiment of the invention aims to provide a highway subgrade anti-settlement structure for a high and cold frozen soil area, so as to solve the problems in the background technology. In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a highway subgrade anti-settlement structure for high and cold frozen soil areas comprises a bottom plate, wherein side plates are fixedly connected to the top surfaces of two ends of the bottom plate, a supporting plate is further arranged on the bottom plate through a plurality of second buffer spring supporting frames, and a subgrade body is erected and installed on the supporting plate through a plurality of groups of buffer supporting pieces; the end part of the supporting plate is also provided with a buffer mechanism for supporting the roadbed base body;
the roadbed body comprises an upper base surface, and the upper surface of the upper base surface is provided with an asphalt layer; a plurality of water drainage holes are formed in the asphalt layer and the upper base surface; the roadbed body further comprises a lower base surface, a cavity communicated with the water drainage hole is formed between the lower base surface and the upper base surface, and a horn groove communicated with the cavity is formed in the side plate;
the lower base surface is fixedly arranged on a base, and the base is fixedly arranged on the upper surface of the supporting seat; the supporting seat is supported and arranged at the top end of the buffer mechanism.
As a further scheme of the embodiment of the invention: go up the fixed setting of base face and be in buffering support piece's top, all seted up the through-hole on base face, base and the supporting seat down.
As a further scheme of the embodiment of the invention: the buffering support piece comprises a compression leg penetrating through the through hole, and the bottom end of the compression leg is connected with the supporting plate through a first telescopic rod in a supporting mode.
As a further scheme of the embodiment of the invention: the buffering support piece further comprises a first buffering spring sleeved on the outer ring of the first telescopic rod, wherein the top end of the first buffering spring is connected with the bottom end of the compression column in a supporting mode, and the bottom end of the first buffering spring is connected with the supporting plate in a supporting mode.
As a further scheme of the embodiment of the invention: the supporting plate is provided with a plurality of water leakage holes, the bottom plate is internally provided with a water drainage cavity, the bottom plate is further provided with a plurality of water drainage holes communicated with the water drainage cavity, part of rainwater can continue to fall behind through the through holes, and can be discharged through the water drainage cavity after passing through the water leakage holes and the water drainage holes, and the upper surfaces of the two ends of the supporting plate are provided with water retaining blocks, so that rainwater is prevented from entering the buffer mechanism.
As a further scheme of the embodiment of the invention: buffer gear includes fixed mounting and is in a fixed section of thick bamboo on the bottom plate, it runs through on the roof of a fixed section of thick bamboo to slide is provided with the spliced pole, the top of spliced pole with fixed connection between the supporting seat, the bottom of supporting seat with support through the second telescopic link between the bottom plate of a fixed section of thick bamboo and connect.
As a further scheme of the embodiment of the invention: the outer ring of the second telescopic rod is sleeved with a third buffer spring, the top end of the third buffer spring is connected with the bottom support of the connecting column, and the bottom end of the third buffer spring is connected with the bottom plate support of the fixed cylinder.
As a further scheme of the embodiment of the invention: the tip of supporting seat with fixed connection between the spliced pole, still be provided with the guide bar on the spliced pole, the other end fixed mounting of guide bar has the guide slide, the guide rail groove has been seted up on the inner wall of solid fixed cylinder, the guide slide slides from top to bottom and locates the guide rail inslot.
As a further scheme of the embodiment of the invention: the side plate of the fixed cylinder is further provided with a strip-shaped through hole, and the supporting seat is arranged in the strip-shaped through hole in a penetrating and sliding manner.
As a further scheme of the embodiment of the invention: the supporting seat is further provided with a limiting lug, and the limiting lug is embedded into the base.
Compared with the prior art, the highway subgrade anti-settlement structure provided by the embodiment of the invention can drive the subgrade to move in a small amplitude when the vehicle is rolled overweight through the arranged buffer supporting piece and the buffer mechanism, so that the aim of shock absorption is achieved, the damage to the subgrade is reduced, rainwater on the pavement can flow out of the pavement through the water drainage holes, and the rainwater cannot permeate into the pavement.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural view of a highway subgrade anti-settlement structure for a frozen soil region in a high and cold area according to an embodiment of the invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a structural diagram of a buffer mechanism in a highway subgrade anti-settlement structure for a frozen soil region in high and cold regions according to an embodiment of the invention.
In the figure: 1-bottom plate, 2-side plate, 3-asphalt layer, 4-upper base surface, 5-water discharging hole, 6-horn groove, 7-lower base surface, 8-base, 9-supporting seat, 10-pressing column, 11-first telescopic rod, 12-first buffer spring, 13-cavity, 14-supporting plate, 15-second buffer spring, 16-water leaking hole, 17-water discharging cavity, 18-water discharging hole, 19-through hole, 20-fixed cylinder, 21-connecting column, 22-limiting lug, 23-guide rod, 24-guide rail groove, 25-guide slide block, 26-water retaining block, 27-strip channel, 28-second telescopic rod and 29-third buffer spring.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1, in the embodiment provided by the invention, the highway subgrade anti-settlement structure for the high and cold frozen soil region comprises a bottom plate 1, side plates 2 are fixedly connected and arranged on the top surfaces of two ends of the bottom plate 1, a supporting plate 14 is arranged on the bottom plate 1 through a plurality of second buffer springs 15, and a subgrade body is erected and installed on the supporting plate 14 through a plurality of groups of buffer supporting pieces; the end part of the supporting plate 14 is also provided with a buffer mechanism for supporting the roadbed body;
specifically, as shown in fig. 1-2, in the embodiment provided by the present invention, the roadbed body includes an upper base surface 4, and an upper surface of the upper base surface 4 has an asphalt layer 3; a plurality of water drainage holes 5 are formed in the asphalt layer 3 and the upper base surface 4; the roadbed body further comprises a lower base surface 7, a cavity 13 communicated with the water discharge hole 5 is formed between the lower base surface 7 and the upper base surface 4, and a horn groove 6 communicated with the cavity 13 is formed in the side plate 2;
further, in the embodiment provided by the present invention, the lower base surface 7 is fixedly disposed on the base 8, and the base 8 is fixedly disposed on the upper surface of the supporting seat 9; the supporting seat 9 is supported and arranged at the top end of the buffer mechanism;
with reference to fig. 1-2, in the embodiment of the present invention, the upper base surface 4 is fixedly disposed at the top end of the buffer support member, the lower base surface 7, the base 8 and the support base 9 are all provided with through holes 19, the buffer support member includes a compression leg 10 penetrating through the through hole 19, and the bottom end of the compression leg 10 is in supporting connection with the support plate 14 through a first telescopic rod 11;
further, in the embodiment provided by the present invention, the buffering support further includes a first buffering spring 12 sleeved on an outer ring of the first telescopic rod 11, wherein a top end of the first buffering spring 12 is in supporting connection with a bottom end of the compression column 10, and a bottom end of the first buffering spring 12 is in supporting connection with the support plate 14.
According to the highway subgrade settlement-preventing structure provided by the embodiment of the invention, the subgrade can be driven to move in a small amplitude when the vehicles are rolled overweight through the arranged buffer supporting piece and the buffer mechanism, so that the aim of shock absorption is achieved, the damage to the subgrade is reduced, rainwater on the pavement can flow out of the pavement through the water drainage holes 5, and the rainwater cannot permeate into the pavement.
Example 2
As shown in fig. 1, in the embodiment provided by the invention, the highway subgrade anti-settlement structure for the high and cold frozen soil region comprises a bottom plate 1, side plates 2 are fixedly connected and arranged on the top surfaces of two ends of the bottom plate 1, a supporting plate 14 is arranged on the bottom plate 1 through a plurality of second buffer springs 15, and a subgrade body is erected and installed on the supporting plate 14 through a plurality of groups of buffer supporting pieces; the end part of the supporting plate 14 is also provided with a buffer mechanism for supporting the roadbed body;
specifically, as shown in fig. 1-2, in the embodiment provided by the present invention, the roadbed body includes an upper base surface 4, and an upper surface of the upper base surface 4 has an asphalt layer 3; a plurality of water drainage holes 5 are formed in the asphalt layer 3 and the upper base surface 4; the roadbed body further comprises a lower base surface 7, a cavity 13 communicated with the water discharge hole 5 is formed between the lower base surface 7 and the upper base surface 4, and a horn groove 6 communicated with the cavity 13 is formed in the side plate 2;
further, in the embodiment provided by the present invention, the lower base surface 7 is fixedly disposed on the base 8, and the base 8 is fixedly disposed on the upper surface of the supporting seat 9; the supporting seat 9 is supported and arranged at the top end of the buffer mechanism;
with reference to fig. 1-2, in the embodiment of the present invention, the upper base surface 4 is fixedly disposed at the top end of the buffer support member, the lower base surface 7, the base 8 and the support base 9 are all provided with through holes 19, the buffer support member includes a compression leg 10 penetrating through the through hole 19, and the bottom end of the compression leg 10 is in supporting connection with the support plate 14 through a first telescopic rod 11;
further, in the embodiment provided by the present invention, the buffering support further includes a first buffering spring 12 sleeved on an outer ring of the first telescopic rod 11, wherein a top end of the first buffering spring 12 is in supporting connection with a bottom end of the compression column 10, and a bottom end of the first buffering spring 12 is in supporting connection with the support plate 14.
According to the highway subgrade settlement-preventing structure provided by the embodiment of the invention, the subgrade can be driven to move in a small amplitude when the vehicles are rolled overweight through the arranged buffer supporting piece and the buffer mechanism, so that the aim of shock absorption is achieved, the damage to the subgrade is reduced, rainwater on the pavement can flow out of the pavement through the water drainage holes 5, and the rainwater cannot permeate into the pavement.
As shown in fig. 1-3, in the embodiment of the present invention, a plurality of water leakage holes 16 are formed on the supporting plate 14, a water drainage cavity 17 is formed in the bottom plate 1, a plurality of water drainage holes 18 communicated with the water drainage cavity 17 are further formed on the bottom plate 1, a part of the rainwater passes through the through holes 19 and then continuously falls down, and can be drained through the water leakage holes 16 and the water drainage holes 18 via the water drainage cavity 17, and the upper surfaces of both ends of the supporting plate 14 are provided with water blocking blocks 26 to prevent the rainwater from entering the buffering mechanism.
Example 3
As shown in fig. 1, in the embodiment provided by the invention, the highway subgrade anti-settlement structure for the high and cold frozen soil region comprises a bottom plate 1, side plates 2 are fixedly connected and arranged on the top surfaces of two ends of the bottom plate 1, a supporting plate 14 is arranged on the bottom plate 1 through a plurality of second buffer springs 15, and a subgrade body is erected and installed on the supporting plate 14 through a plurality of groups of buffer supporting pieces; the end part of the supporting plate 14 is also provided with a buffer mechanism for supporting the roadbed body;
specifically, as shown in fig. 1-2, in the embodiment provided by the present invention, the roadbed body includes an upper base surface 4, and an upper surface of the upper base surface 4 has an asphalt layer 3; a plurality of water drainage holes 5 are formed in the asphalt layer 3 and the upper base surface 4; the roadbed body further comprises a lower base surface 7, a cavity 13 communicated with the water discharge hole 5 is formed between the lower base surface 7 and the upper base surface 4, and a horn groove 6 communicated with the cavity 13 is formed in the side plate 2;
further, in the embodiment provided by the present invention, the lower base surface 7 is fixedly disposed on the base 8, and the base 8 is fixedly disposed on the upper surface of the supporting seat 9; the supporting seat 9 is supported and arranged at the top end of the buffer mechanism;
with reference to fig. 1-2, in the embodiment of the present invention, the upper base surface 4 is fixedly disposed at the top end of the buffer support member, the lower base surface 7, the base 8 and the support base 9 are all provided with through holes 19, the buffer support member includes a compression leg 10 penetrating through the through hole 19, and the bottom end of the compression leg 10 is in supporting connection with the support plate 14 through a first telescopic rod 11;
further, in the embodiment provided by the present invention, the buffering support further includes a first buffering spring 12 sleeved on an outer ring of the first telescopic rod 11, wherein a top end of the first buffering spring 12 is in supporting connection with a bottom end of the compression column 10, and a bottom end of the first buffering spring 12 is in supporting connection with the support plate 14.
According to the highway subgrade settlement-preventing structure provided by the embodiment of the invention, the subgrade can be driven to move in a small amplitude when the vehicles are rolled overweight through the arranged buffer supporting piece and the buffer mechanism, so that the aim of shock absorption is achieved, the damage to the subgrade is reduced, rainwater on the pavement can flow out of the pavement through the water drainage holes 5, and the rainwater cannot permeate into the pavement.
As shown in fig. 1-3, in the embodiment of the present invention, a plurality of water leakage holes 16 are formed on the supporting plate 14, a water drainage cavity 17 is formed in the bottom plate 1, a plurality of water drainage holes 18 communicated with the water drainage cavity 17 are further formed on the bottom plate 1, a part of the rainwater passes through the through holes 19 and then continuously falls down, and can be drained through the water leakage holes 16 and the water drainage holes 18 via the water drainage cavity 17, and the upper surfaces of both ends of the supporting plate 14 are provided with water blocking blocks 26 to prevent the rainwater from entering the buffering mechanism.
As shown in fig. 1 to 3, in the embodiment provided by the present invention, the buffering mechanism includes a fixed cylinder 20 fixedly mounted on the bottom plate 1, a connection column 21 is slidably disposed on a top plate of the fixed cylinder 20, a top end of the connection column 21 is fixedly connected to the support base 9, a bottom end of the support base 9 is in supporting connection with a bottom plate of the fixed cylinder 20 through a second telescopic rod 28, an outer ring of the second telescopic rod 28 is sleeved with a third buffering spring 29, a top end of the third buffering spring 29 is in supporting connection with a bottom end of the connection column 21, and a bottom end of the third buffering spring 29 is in supporting connection with the bottom plate of the fixed cylinder 20;
further, in the embodiment provided by the present invention, the end of the supporting seat 9 is fixedly connected with the connecting column 21, the connecting column 21 is further provided with a guiding rod 23, the other end of the guiding rod 23 is fixedly provided with a guiding slide block 25, the inner wall of the fixed cylinder 20 is provided with a guiding rail groove 24, and the guiding slide block 25 is slidably arranged in the guiding rail groove 24 up and down; a strip-shaped through hole 27 is further formed in the side plate of the fixed cylinder 20, and the supporting seat 9 is arranged in the strip-shaped through hole 27 in a penetrating and sliding manner.
As shown in fig. 2, in the embodiment of the present invention, a limiting protrusion 22 is further disposed on the supporting seat 9, and the limiting protrusion 22 is embedded in the base 8.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The highway subgrade anti-settlement structure for the high and cold frozen soil area is characterized by comprising a bottom plate (1), wherein side plates (2) are fixedly connected to the top surfaces of two ends of the bottom plate (1);
a supporting plate (14) is arranged on the bottom plate (1) through a plurality of second buffer springs (15) and supporting frames;
the supporting plate (14) is provided with a roadbed body through a plurality of groups of buffer supporting pieces in an erected mode; the end part of the supporting plate (14) is also provided with a buffer mechanism for supporting the roadbed body;
the roadbed body comprises an upper base surface (4), and the upper surface of the upper base surface (4) is provided with an asphalt layer (3);
a plurality of water drainage holes (5) are formed in the asphalt layer (3) and the upper base surface (4); the roadbed body further comprises a lower base surface (7), a cavity (13) communicated with the water drainage hole (5) is formed between the lower base surface (7) and the upper base surface (4), and a horn groove (6) communicated with the cavity (13) is formed in the side plate (2);
the lower base surface (7) is fixedly arranged on a base (8), and the base (8) is fixedly arranged on the upper surface of the supporting seat (9);
the supporting seat (9) is supported and arranged at the top end of the buffer mechanism.
2. The highway subgrade anti-settlement structure for the high and cold frozen soil areas as claimed in claim 1, wherein said upper base surface (4) is fixedly arranged at the top end of said buffer support member, and said lower base surface (7), said base (8) and said support base (9) are all provided with through holes (19).
3. The highway subgrade anti-settlement structure for the frozen highland areas as claimed in claim 2, wherein said buffer supporting member comprises a compression leg (10) penetrating through said through hole (19), and the bottom end of said compression leg (10) is in supporting connection with said supporting plate (14) through a first telescopic rod (11).
4. The highway subgrade anti-settlement structure for the frozen highland areas as claimed in claim 3, wherein said buffer support member further comprises a first buffer spring (12) sleeved on the outer ring of said first telescopic rod (11), wherein the top end of said first buffer spring (12) is in supporting connection with the bottom end of said compression leg (10), and the bottom end of said first buffer spring (12) is in supporting connection with said supporting plate (14).
5. The highway subgrade anti-settlement structure for the frozen high and cold soil areas as claimed in any one of claims 2-4, wherein said supporting plate (14) is provided with a plurality of water leakage holes (16), said bottom plate (1) is internally provided with a water drainage cavity (17), said bottom plate (1) is further provided with a plurality of water drainage holes (18) communicated with said water drainage cavity (17).
6. The highway subgrade anti-settlement structure for the frozen soil areas in high and cold areas is characterized in that the buffering mechanism comprises a fixed cylinder (20) fixedly installed on the bottom plate (1), a connecting column (21) is arranged on the top plate of the fixed cylinder (20) in a sliding and penetrating mode, the top end of the connecting column (21) is fixedly connected with the supporting seat (9), and the bottom end of the supporting seat (9) is in supporting connection with the bottom plate of the fixed cylinder (20) through a second telescopic rod (28).
7. The highway subgrade anti-settlement structure for the areas with the frozen soils in the alpine regions according to claim 6, wherein a third buffer spring (29) is sleeved on the outer ring of the second telescopic rod (28), the top end of the third buffer spring (29) is in supporting connection with the bottom end of the connecting column (21), and the bottom end of the third buffer spring (29) is in supporting connection with the bottom plate of the fixed cylinder (20).
8. The highway subgrade anti-settlement structure for the high and cold frozen soil areas as claimed in claim 7, wherein the end of the supporting seat (9) is fixedly connected with the connecting column (21), a guide rod (23) is further arranged on the connecting column (21), a guide slider (25) is fixedly arranged at the other end of the guide rod (23), a guide rail groove (24) is formed in the inner wall of the fixed cylinder (20), and the guide slider (25) is vertically slidably arranged in the guide rail groove (24).
9. The highway subgrade anti-settlement structure for the high and cold frozen soil areas as claimed in claim 8, wherein a strip-shaped through hole (27) is further formed in a side plate of the fixed cylinder (20), and the supporting seat (9) is slidably arranged in the strip-shaped through hole (27) in a penetrating manner.
10. The highway subgrade anti-settlement structure for the areas with high frozen soil according to the claim 9, characterized in that the supporting seat (9) is further provided with a limiting lug (22), and the limiting lug (22) is embedded into the base (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010197375.7A CN111350107B (en) | 2020-03-19 | 2020-03-19 | Highway subgrade settlement-preventing structure for high and cold frozen soil area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010197375.7A CN111350107B (en) | 2020-03-19 | 2020-03-19 | Highway subgrade settlement-preventing structure for high and cold frozen soil area |
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| Publication Number | Publication Date |
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| CN111350107A true CN111350107A (en) | 2020-06-30 |
| CN111350107B CN111350107B (en) | 2022-05-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030641A (en) * | 2020-09-02 | 2020-12-04 | 刘�英 | Bridgehead highway subgrade structure |
| CN114032722A (en) * | 2021-11-18 | 2022-02-11 | 浙江杭徽高速公路有限公司 | Assembled transverse drainage device for ultrahigh transition section of highway |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207685615U (en) * | 2017-12-14 | 2018-08-03 | 辛同平 | A kind of Anti-settling device of highway subgrade |
| CN208792073U (en) * | 2018-08-22 | 2019-04-26 | 周栋 | A kind of Anti-settling device of highway subgrade |
| CN208965337U (en) * | 2018-09-04 | 2019-06-11 | 中交路桥北方工程有限公司 | A kind of Anti-settling device of highway subgrade |
-
2020
- 2020-03-19 CN CN202010197375.7A patent/CN111350107B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207685615U (en) * | 2017-12-14 | 2018-08-03 | 辛同平 | A kind of Anti-settling device of highway subgrade |
| CN208792073U (en) * | 2018-08-22 | 2019-04-26 | 周栋 | A kind of Anti-settling device of highway subgrade |
| CN208965337U (en) * | 2018-09-04 | 2019-06-11 | 中交路桥北方工程有限公司 | A kind of Anti-settling device of highway subgrade |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030641A (en) * | 2020-09-02 | 2020-12-04 | 刘�英 | Bridgehead highway subgrade structure |
| CN112030641B (en) * | 2020-09-02 | 2021-09-17 | 刘�英 | Bridgehead highway subgrade structure |
| CN114032722A (en) * | 2021-11-18 | 2022-02-11 | 浙江杭徽高速公路有限公司 | Assembled transverse drainage device for ultrahigh transition section of highway |
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| Publication number | Publication date |
|---|---|
| CN111350107B (en) | 2022-05-10 |
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